def test_relationship_reference(self, update, reference_dir, model,
lattice):
reference = os.path.join(reference_dir,
'{}_{}.txt'.format(lattice, model))
ori = Orientation(Rotation(), lattice)
eu = np.array([
o.rotation.as_Eulers(degrees=True)
for o in ori.relatedOrientations(model)
])
if update:
coords = np.array([(1, i + 1) for i, x in enumerate(eu)])
table = damask.Table(eu, {'Eulers': (3, )})
table.add('pos', coords)
table.to_ASCII(reference)
assert np.allclose(eu,
damask.Table.from_ASCII(reference).get('Eulers'))
def test_relationship_forward_backward(self, model, lattice):
ori = Orientation(Rotation.from_random(), lattice)
for i, r in enumerate(ori.relatedOrientations(model)):
ori2 = r.relatedOrientations(model)[i]
misorientation = ori.rotation.misorientation(ori2.rotation)
assert misorientation.asAxisAngle(degrees=True)[3] < 1.0e-5
